Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934307 | Overpressure protector | Ari Lehto, Eero Halonen, Aarne Utriainen | 1999-08-10 |
| 5646729 | Single-channel gas concentration measurement method and apparatus using a short-resonator Fabry-Perot interferometer | Yrjo Koskinen, Ari Lehto, Simo Tammela, Martti Blomberg, Altti Torkkeli | 1997-07-08 |
| 5644676 | Thermal radiant source with filament encapsulated in protective film | Martti Blomberg, Ari Lehto, Hannu Kattelus | 1997-07-01 |
| 5561523 | Electrically tunable fabry-perot interferometer produced by surface micromechanical techniques for use in optical material analysis | Martti Blomberg, Ari Lehto | 1996-10-01 |
| 5500569 | Electrically modulatable thermal radiant source and method for manufacturing the same | Martti Blomberg, Ari Lehto, Anssi Korhonen | 1996-03-19 |